Shelving unit



FIG. 1 illustrates a top view of a shelving unit showing my new design;

FIG. 2 illustrates a perspective view thereof;

FIG. 3 illustrates a front elevational view thereof; and,

FIG. 4 illustrates a right side view thereof and the left side is amirror image thereof.

I claim the ornamental design for the shelving unit, substantially asshown and described.